Finding the Fourth Proportional to 178,025.57, 245,667.88 and 97,451.09
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Solution
The fourth proportional to 178,025.57, 245,667.88 and 97,451.09 is: 134,478.45
Step by Step Solution
- Step 1: Write the proportion equation
178,025.57 : 245,667.88 = 97,451.09 : x - Step 2: Convert to fraction form
178,025.57/245,667.88 = 97,451.09/x - Step 3: Cross multiply
178,025.57x = 245,667.88 × 97,451.09 - Step 4: Simplify right side
178,025.57x = 23,940,602,683.99 - Step 5: Solve for x
x = 23,940,602,683.99/178,025.57 - Step 6: Final answer
x = 134,478.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.